Osabohien E, Adaikpoh EO, Nwabue FI. Analysis and Purification of Nkalagu (Nigeria) Limestone and Poultry Eggshells for the Production of Paint Grade Calcium Carbonate: Short Communication. Pakistan Journal of Scientific & Industrial Research [Internet]. 2005 Dec. 26 [cited 2024 May 20];48(6):433-5. Available from: https://v2.pjsir.org/index.php/biological-sciences/article/view/1440